Rome is full of ruins. You practically can’t turn a corner without seeing an ancient temple or statue or column. Obviously the Colosseum is the most popular site to visit, but don’t stop there!

Although much of the complex is in ruins, you can see the remains and ... on your own (which usually includes entrance to the Colosseum and Palatine Hill) or to explore with a guide.

U.S. News Insider Tip: A normal ticket includes the Colosseum, Roman Forum and Palatine Hill (valid for 24 hours) and you can visit all three in one day. It doesn't include a visit to the ...

Photo from Ostia Antica Archaeological Park On the outskirts of Rome, Italy, sit the ruins of Ostia Antica. The ancient port city isn’t as well-known as the nearby Colosseum or Roman Forum ...